Changes for #943 - Added the fs.extra library that extends node.js fs to the package.json. This allows for easier file copying and moving. Edited service.js /upload API to handle different types of file uploads. Audio and dictionaries are placed in both storage and a processing area. Labels are placed in the processing area. Then a child process is spawned to handle calling the aligner with a custom dictionary location. FInally, Express then res.download replies to the user's browser with the generated TextGrid.